A revision of Geonoma (Arecaceae) Author Henderson, Andrew text Phytotaxa 2011 2011-02-18 17 1 271 journal article 24911 10.11646/phytotaxa.17.1 65962ba7-eec1-40e7-aed6-cef94e99ca39 1179-3163 3538362 16c. Geonoma deversa subsp. peninsularis Henderson , subsp. nov. (Appendix IV, Plate 26) A Geonoma deversa subsp. deversa rachide longiore atque pedunculo latiore differt. Type: COSTA RICA . Puntarenas : Reserva Forestal Golfo Dulce, Cantón de Osa, Rancho Quemado, ca. 15 km W of Rincón, 8°42’N , 83°33’W , 250 m , 6 June 1992 , A. Henderson, G. Galeano & B. Hammel 1817 ( holotype CR!, isotype NY!). Leaf rachis 64.5(46.5–85.0) cm long. Inflorescences peduncles 6.9(4.6–9.0) mm in diameter; rachillae 1.8(1.1–2.6) mm in diameter. Distribution and habitat:— From 8°27’– 8°58’N and 83°14’– 83°40’W in the Osa Peninsula and adjacent areas of Costa Rica at 287(65–744) m elevation in lowland rainforest ( Fig. 16 ). There is a sympatric population of subsp. deversa occurring just to the northeast of the Osa Peninsula.